a8b7bf178dc1dcbb803cf4df203a3b9fd54a9eae84a117aceacd5e52260f1e61

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:51

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General

Target

2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe
Size

79KB
MD5

d6dea84a8406ab3c643504eb5884d94b
SHA1

71dedf808999f02527f980e321e211c242826980
SHA256

a8b7bf178dc1dcbb803cf4df203a3b9fd54a9eae84a117aceacd5e52260f1e61
SHA512

a17a6adbe9dbc8153ee7a09b089831fc852beff821f1be1c482de4e331c9e45e0481485859c1c2bd0ce99aa25c862d87637d6540fab49ed14b96a7c07f150337
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPM:V6QFElP6n+gMQMOtEvwDpjyaLccVNlW

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1960	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 1960	3616	2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe	91
PID 3616 wrote to memory of 1960	3616	2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe	91
PID 3616 wrote to memory of 1960	3616	2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_d6dea84a8406ab3c643504eb5884d94b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
79KB

MD5
3895fc8e6e801c0a13ba58892faab512

SHA1
c650e39952b87ec5112e8e9291898e647020229b

SHA256
60199516957c4c34e74bb646fdd7baff25dcfd135448e65df554f3933e42925f

SHA512
71ce33c7c432a7beab4d5238f845e2937cbfb45a3bfd1cb7721537be8f77949b385d150f5cb051d4c112e8c9e56e181bf8c61468ffb448467c58f2f497288904

Download Submit
memory/1960-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1960-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3616-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3616-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3616-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download